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Date: Fri, 13 Jul 2007 16:22:29 -0700 From: Kevin Hilman <khilman@...sta.com> To: Kevin Hilman <khilman@...sta.com> Cc: tglx@...utronix.de, mingo@...e.hu, linux-rt-users@...r.kernel.org, linux-kernel@...r.kernel.org Subject: Re: [PATCH -rt 6/6] Compile fix for PREEMPT_TIMING on and IRQSOFF_TIMING off [Minor update to avoid a compiler warning in the case of DEBUG_KERNEL=n] Compile fix for PREEMPT_TIMING on and IRQSOFF_TIMING off The per-cpu trace_cpu_idle variable is used when timing *either* IRQs-off or preempt sections. Signed-off-by: Kevin Hilman <khilman@...sta.com> --- kernel/latency_trace.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) Index: linux-2.6/kernel/latency_trace.c =================================================================== --- linux-2.6.orig/kernel/latency_trace.c +++ linux-2.6/kernel/latency_trace.c @@ -85,9 +85,13 @@ static inline int DEBUG_WARN_ON(int cond } #endif +#if defined(CONFIG_CRITICAL_IRQSOFF_TIMING) || \ + (defined(CONFIG_CRITICAL_PREEMPT_TIMING) && defined(CONFIG_TRACE_IRQFLAGS)) + static DEFINE_PER_CPU(int, trace_cpu_idle); +#endif + #ifdef CONFIG_CRITICAL_IRQSOFF_TIMING # ifdef CONFIG_CRITICAL_PREEMPT_TIMING - static DEFINE_PER_CPU(int, trace_cpu_idle); # define irqs_off_preempt_count() (preempt_count() && !__get_cpu_var(trace_cpu_idle)) # else # define irqs_off_preempt_count() 0 - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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